Definition

Definitions

Looking it Up
Ballistics
The science and/or study of a weapon, its projectile, and the projectile’s motion characteristics and flight dynamics.

  • Interior ballistics is the science of a projectile’s signature markings.
  • Exterior ballistics is the science of a projectile’s trajectory to impact.

Bullet Path
The arc or trajectory of the bullet relative to LOS.

Drop
The actual drop of the bullet relative to LOD. A bullet starts dropping away from the LOD the moment it leaves the muzzle.

Line of Departure (LOD)
A straight line out to infinity running down the center of the bore.

Line of Sight (LOS)
A straight line out to infinity as represented by the scope’s reticle.

  • The sighting plane formed when the front and rear sights are aligned.